Polyester Optical Brightener ER-330

Chemical Name: 1,4′-bis(2-cyanostyryl) Benzene

C.I. NO:199

Specification

Appearance: Light yellow liquid

Ion:Non-ionic

PH value(10g/l):6.0-9.0

Content:24%-26%

Characteristics：

Excellent fastness to sublimation.

Good red lightly white shade.

Good whiteness in polyester fiber or fabric.

Applications：

It has excellent fastness to sublimation,reddish color shade with strong fluorescence and good whiteness in polyester fiber or fabric.

It is suitable in the polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing.

Usage

Padding process

Dosage: ER330 3～6g/l for pad dyeing process, procedure: one dip one pad( or two dips two pads, pick-up: 70%)  →drying→ stentering(170～190℃30～60seconds).

Dipping process

ER330:0.3～0.6%(o.w.f)

Liquor ratio: 1:10-30

optimum temperature: 100-125℃

Optimum time: 30-60min

For getting the optimum effect for application, please try on suitable condition with your equipment and choose the suitable technique.

Please try for compatibility, if using with other auxiliaries.

Package and Storage

1. 25kg barrel

2. The product is non-hazardous,chemical properties stability,be used in any mode of transport.

At room temperature,storage for one year.

Important hint

The above information and the conclusion obtained is based on our current knowledge and experience, users should be according to the practical application of different conditions and occasions to determine the optimal dosage and process.